Polymers from renewable sources. IV. Polyurethane elastomers based on myrcene polyols
β Scribed by J. L. Cawse; J. L. Stanford; R. H. Still
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 901 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0021-8995
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Two hydroxy-functionalid liquid rubbers, one a commercially available polybutadiene (PB) and the other a specially synthesized polymyrcene (PM), have been converted into homopolyurethane elastomers by reaction with 4,4diphenylmethane diisocyanate (MDI). Additionally, PB and PM, each in admixture wit
A number of polyurethanes were synthesized by reacting castor oil with hexamethylene diisocyanate, varying the NCO/OH ratio. The polyurethanes were reacted with 2-hydroxyethyl methacrylate (HEMA) to prepare the interpenetrating polymer networks (IPNs) using benzoyl peroxide as the initiator and ethy
A large number of improved high-temperature stable semi-interpenetrating polymer networks (semi-IPNs) were synthesized by condensing copolymerized resins with castor oil-based polyurethane using ethylene glycol dimethacrylate (EGDM) as a crosslinker. The structures of these semi-IPNs were studied us